Pump and swab



may 27 3924. 1,495,807

H. E. SANDERS PUMP AND SWAB Filed Sept. 15 1925 2 Sheets-Sheet l H. E; SANDERS May 27 PUMP AND SWAB Filed Sept. 15, 1923 2 SheeIS -Sheet 2 INVENTOR.

T TORNEYS.

r I Q H Patented liflev 2'7, 192%.

HGIlIEB n. sinuses, per-Les, snares,

ASSEGNQR T9 EDWARD G. SCE'UEBDEG, E

DALLAS, TEXAS.

some sun ewes.

Application filed September 13, 1923. Serial lilo. 382,531.

. swabs, and refers more particularly to 'a.

segmental interlocking valve or cup to be used in connection with pumps or swabs for deep wells especially, the chief object being to provide a valve or cup that will possess great durability or wearing qualities when in l1se,'andwhich will elinilnetethe use of working barrels other then the wells of the tube or casing itself, said valve being of reciprocal action, a vacuum being created below it when it is raised inthe tubing or casing, and the liquid. passing upward through the check valve or valves in the pump valve, when it is lowered in the easingor tubin Aieature of the invention is the construction of the valve yoke, same prevent valve to pass readily through acoupling 3 in the tubing or casing without oatchingor jamming.

Another feature is the construction of the valve body, its diameter being affected by the action of the fluid, when the valve is lowered the diameter will be less, and when it is raised the diameter will be more these, changes caused by the discharge of the fluid from above the valve and the weight of the fluid or liquid against the in nor walls of the valve tending to expend same toward the inner walls or" the casing or tubing, thereby preventing by passage or leakage of the said liquid or fluid between the valve and the casing or tubing inner walls: and when the valve is lowered, the pressure on the inner and outer walls being more, nearly balanced the vzlve con tracts.

Another feature is that the working parts of the valve when worn, may be replaced easily, without the necessity of replacing adjacent parts in goodoperative condition.

"valve seat.

Also the provision of ii member secured to the operating cable at the top and 300i tom of the valve housing, which will ollow a twist of the cable without the possibility of disengaging the threaded connections oi? the valve housin thereby eliminating the use of suction re s.

Further objects and features as well as the above will be set forth in the following description taken in connection with the drawings attached hereto as follows;

Figure l is a longitudinal cross-section of the invention. t Figure 2 is a longitudinal view of the in vention.

Figure 3 is a. top or plan View of the mental interlocking expansion element.

Figure e is a side elevation of the expansion limiting member.

Figureo is 2r detail view of the checlr valve.

Figure 6 is a cross-sectional view of segthe

Figure 7 shows a detailview of the check valve resting in the valve seat.

Figure '8 shows the invention in e wel when used for pumping.

Figure 9 is a modification of the cushion beneath the segmental interlocking expansion. element.

Figure 10 is a detail sectional view of the thrust bearing cable assembly.

Figure 11 is a detail cross-section or Fig ure 12st points l11l.

Figure 12 is a view of the bearing through which the cable extends from the valve housing.

Following the figures, 1 represents the valve or pump assembly, 2 the thrust, been. ing cable assembly, the bearings) permitting rotation of the cable in the assembly without the possibility of unscrewing the latter at threaded connection a-a. Figures 1 and 2 show the invention when used as a swab in a well casing. The'llquid or' oil in the casing 5, when the valve assembly 1 is raised byvcable 3, is drawn upward by reason of the vacuum formed behind the lower member 8 in the, drawing and the segmental interlocking portion 7 surrounding the inner cylinder or bore 4 of the assembly. Threads a-a on this inner cylinder attach the lower portion of a second valve housing, or the cable assembl whe one valve only is used. Above t e segmental interlocking members there is secured to the cylinder, an expansion yoke 6 with arms depending outwardly and downward to a member 6" said member having lugs formed integrally therewith, depending downward, adapted to engage in the interlocking segmental member as shown in Figure 3 to limit the expansion of same to a greater size than the inner diameter of the casing, thereby preventing ,the segmental interlocking member from.

jamming in the casing. The member 8 acts as a cushion below the segmental memher, and 9 represents the flanged wings of the check valve 10 seated in valve seat. 10. threadedly secured in the cylinder. oil or liquid following behind the lower segmental member when the valve assembly is raised, will pass upward through the check valves 10 and flanged wings 9 when the assembly is lowered, as the assembly will displace the liquid in volume equal to its volume, saidliquid'being prevented from escaping from the lower portion of the casing by means of a check valve located at the tioned on the rais ng or lowering of the valve assembly.

In Figures 5, 6, and 7 show the check valve and valve seat separately and assembled, settin forth, the preferred construction.-

In' igure 8 the device is shown as used for pumpin it being assembled and operated in a tu ing 12 in the casing 5, and arranged to draw the liquid from its stand in the casin into the tube and. raise same through t e tubing 12 joined by means 12,

to the surface of the ground. The length of the interlocking segmental members is sufiicient to guide it. through thevjunction 12, one end being always. in en agement with the inner periphery of the tu%ing. It should be understood that in pumping, valve assemblies may be located at desired intervals within the tubing to cause, 1!. sub stantially stea'dy flow of liquid fromthe outlet at the surface of the ground.

In Figure 9 a modification of the cushion element 8 is shown, same consisting of coiled ring members 11 seated in cushion shoulers 8. v

It should be understood that the mate rials employed in the sntal interlock The.

the

ing member and the assembly b 'varied, to better accomp ish thedesired results.

generally may In Figure 10, the thrust bearing cable assembly is shown, the ends of the cable being bent back and babbitted inside the member 2.

InFi in detai through which the cable operates. What is claimed is: i

1. In a device of the character described,

a casing, an outer member, a cable, a means in the outer rotatable attac ment thereto, an inner cylindrical member, a check valve in the inner member, a seat for the valve, one end of the innenineinhnnthteadedly-engag'd with one end; oftli muterimember, apertures in the walls o f the outer member adjacent said en, gagement toward the cable securing element,

ures 1 1 and 12, the bearing is shown mber to secure the cable in a threaded collar engaging the threads on "the inner member, a segmental interlocking expansive wedge-shaped member, means ex' th collar to the segments of I 00 and a cushi tending from the segmental interlocking member to limit theexpansion of said segments, ion member upon whichthe se terlocking member is seated, sai interlocking member being tapered ermit' adjustment,

ental ininner periphery to said segmental on its segmental interlocking member adapted to.

freely pass through or casing wherein it is used.

couplings in the tubing 2. In a valve for deep wells, a housing,

check valves in the housing, means m the,

ends of thergiousing to secure a cable inQrotary relatio ship thereto; a segmental i erlocking member surrounding the bone g, meansfor limiting the expansion of 1d member in pumping or swabbing; and a cushion in attachment with the housing whereon the se ental interlocking member is seated, an I apertures in the housing above the segmental interlocking mber;

3. In a deep well pump valve an ssembly having a casing, check valvesin thb casing,

interlocking segmental members around thev outer periphery of thecasing, means on the casing to limit the expansion of the segmental interlocking members, said means having apertures therethrough, and apertures in the casing adjacent the segmental interlocking ends, and means in the ends of the casing to permit therotatable movement of a cabin attached thereto.

4. A deep a casing, a segmental member surrounding the casing, means on the casing limiting the expansion and contraction of-the segmental interlocking memher, and means for attaching the casing to a cable to allow free rotatable movement of the cable when an attached.

' 5. In a valverfor deep well pumps, a

well pump valve, comprising interlocking valve valve housing, a segmental, interlocking *i30 member surrounding the valve housing, ment thereof, apertures in the casing within means on the housing to control the expanthe segmental interlocking member, and sion and contraction of the segmental interapertures adjacent the segmental interlock- 10 looking member, and means at the end or in member toward the ended the housing.

6 ends of the housing for securing a cable i1 testimony whereof I have signed my therein, and bearings in the housing surname to this specification. rounding the cable to allow'. rotatable move- 7 HOMER E. SANDERS. 

